MCP Server Registry
Browse 18,574 servers scanned across 184 detection rules
x402-market
Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.
x402 MCP Starter
Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.
x402 Micro Tollgate
x402 HTTP 402 + MCP paywall: charge USDC per agent call. Self-host via npx or Docker.
x402nano
Machine-payable prediction-market briefs and probability-change monitoring for AI agents.
x402 Pay — USDC API Payment Helper
Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
x402 Preflight
Inspect and validate an x402 endpoint before an autonomous agent spends USDC.
x402 Seller
Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.
x402-seller — rug protection & safe-alpha for trading agents
Rug-check & launch radar for trading agents: composite honeypot score, EVM+Solana, keyless x402.
x402-snap
Pay-per-call browser rendering and x402 marketplace ranking for AI agents, billed via USDC.
x402 Triage MCP
MCP server for no-payment x402 surface triage, 402 Index health checks, and paid review handoff.
x402 Trinity
Give an agent a wallet. Pays for x402 resources within hard limits. Base + USDC, gasless.
x402-vend — WebIntel
Pay-per-call web & EU business intelligence for AI agents (x402 USDC on Base). 11 tools.
x402 Web Extract
Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.
x711
Pay-per-use tool API for AI agents with free tier, x402 USDC micropayments, and API key access.
x711io - universal gas station market and intelligence
Pay-per-call tool API for autonomous agents. x402 payments on Base. 27 tools including web search, price feeds, and The Hive shared memory layer.
x711 — Universal Agent Gas Station
Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.
XActions
⚡ The Complete X/Twitter Automation Toolkit — Scrapers, MCP server for AI agents (Claude/GPT), CLI, browser scripts. No API fees. Open source. Unfollow people who don't follow back. Monitor real-time analytics. Auto follow, like, comment, scrape, without API.
xaffinity MCP
MCP server for Affinity CRM - entity search, relationship intelligence, and workflow management
XAF Logic Explainer
Query your DevExpress XAF app: entities, controllers, actions, rules, Model Editor.
x-agent-sdk
Unofficial X (Twitter) client + MCP server. Cookie auth, no paid API.
Xahau MCP
First MCP for the Xahau network — offline Hook WASM VM + static analyzer, read-only ledger tools.
XamlMcp
Inspect and drive Avalonia, WPF, WinUI, and .NET MAUI apps through MCP.
@xano/developer-mcp
MCP server and library for Xano development - XanoScript validation, Meta API, Run API, and CLI documentation
XAPS MCP Server
Pre-execution audit for autonomous agents. Independent receipt before irreversible actions.